117797880 has 64 divisors (see below), whose sum is σ = 354119040. Its totient is φ = 31348352.

The previous prime is 117797873. The next prime is 117797887. The reversal of 117797880 is 88797711.

It is an interprime number because it is at equal distance from previous prime (117797873) and next prime (117797887).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117797887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98647 + ... + 99833.

It is an arithmetic number, because the mean of its divisors is an integer number (5533110).

Almost surely, 2^117797880 is an apocalyptic number.

117797880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117797880 is an abundant number, since it is smaller than the sum of its proper divisors (236321160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117797880 is a wasteful number, since it uses less digits than its factorization.

117797880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028 (or 2024 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 48.

The square root of 117797880 is about 10853.4731768222. The cubic root of 117797880 is about 490.2066045309.

The spelling of 117797880 in words is "one hundred seventeen million, seven hundred ninety-seven thousand, eight hundred eighty".